The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1999
Filed:
Jan. 23, 1996
Applicant:
Inventors:
Michael J Holmes, Alliance, OH (US);
Clifford F Eckhart, Damascus, OH (US);
Gregory A Kudlac, Akron, OH (US);
Ralph T Bailey, Uniontown, OH (US);
Assignee:
McDermott Technology, Inc., New Orleans, LA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23C / ; F23B / ; F23J / ; F23D / ;
U.S. Cl.
CPC ...
110345 ; 110261 ; 110262 ; 110238 ; 110342 ; 239423 ; 239429 ;
Abstract
A coal-water slurry liquid fuel or coal or other liquid fuel is atomized for combustion in the reburn zone of a boiler with a relatively small addition of natural gas to produce NO.sub.x reductions comparable to the reburn effect of natural gas alone as well as a more uniform temperature profile in the upper combustion zone of the boiler.